The Seaport Multifamily Brief — Issue 3 | March 2026
Coastal Multifamily Holds the Line — But the Story Is More Nuanced Than the Data Suggests
Executive Summary
At first glance, multifamily data across New London County (CT), Middlesex County (CT), Washington County (RI), and Newport County (RI) suggests a familiar narrative:
But on the ground, a more important story is unfolding.
Supply is not absent—it is concentrated. And where it exists, it is actively testing absorption.
New London County, CT — A Market Splitting in Real Time
New London County is no longer a single multifamily market. It is evolving into three distinct submarkets, each behaving differently.
1. Groton — Supply Has Arrived
Groton has become the epicenter of new multifamily development in the region.
- Large-scale developments like Triton Square
- New Class A and workforce housing projects
- Proximity to Electric Boat and Pfizer driving demand
This is the only submarket locally where supply has arrived in meaningful scale—and it is beginning to test demand.
2. Groton Conversions — The Absorption Test
One of the most telling indicators in the current market is the conversion of the former Days Inn across from Walmart into approximately 60 one-bedroom units.
- ~60 units delivered
- ~50% leased
- Workforce-oriented product
Absorption is not automatic—even for smaller, more affordable units.
The market is absorbing supply, but at a measured pace.
This is not a sign of weakness—it is a sign of a market transitioning from pure constraint to selective equilibrium.
3. Niantic & Coastal Markets — The Price Setters
Projects like The Anchor Building in Niantic represent a completely different dynamic.
- Boutique, high-quality mixed-use development
- Prime coastal location
- Limited unit count
These projects do not add meaningful supply—they establish new rent ceilings.
4. The Remaining Market — Still Constrained
Outside of Groton and select coastal developments, most of the region remains supply constrained.
- Minimal new construction
- Stable occupancy
- Limited inventory turnover
This is where the traditional “low supply” narrative still holds true.
Rent Trends — Stability with a Ceiling in Sight
Rent growth remains positive but controlled across the region:
- 1 Beds: ~$1,600–$1,800
- 2 Beds: ~$2,100–$2,400
- Annual Growth: ~1%–3%
Rent growth is stabilizing—not declining.
The question is no longer “how high can rents go?” but rather “how much can tenants absorb?”
Sales Activity — Conviction Over Volume
Transaction volume remains limited, but pricing continues to hold firm.
They are positioning for long-term control in supply-constrained coastal markets.
Beyond New London County — Reinforcing the Thesis
Middlesex, Washington, and Newport Counties continue to show:
- Low vacancy
- Limited development relative to demand
- Stable rent growth
However, like New London County, new development is often:
- Targeted
- Publicly supported
- Segment-specific
This is not broad-based oversupply—it is selective expansion.
What We Are Watching — Spring 2026
- Lease-up velocity in Groton
- Performance of conversion projects
- Tenant affordability ceilings
- Interest rate movement
The Seaport Take
This is a selectively supplied market.
And where supply exists—it is being tested in real time.
The opportunity today is not just identifying markets with strong fundamentals…
It is understanding where those fundamentals are beginning to shift.
Final Thought
The ground tells you what’s happening next.
Data sourced from CoStar and enhanced by Seaport Research and on-the-ground analysis.
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